Home / 47,894,124.80-71,841,187.20-21,020,268.80

Finding the Fourth Proportional to 47,894,124.80, 71,841,187.20 and 21,020,268.80

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Solution

The fourth proportional to 47,894,124.80, 71,841,187.20 and 21,020,268.80 is: 31,530,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,894,124.80 : 71,841,187.20 = 21,020,268.80 : x
  2. Step 2: Convert to fraction form
    47,894,124.80/71,841,187.20 = 21,020,268.80/x
  3. Step 3: Cross multiply
    47,894,124.80x = 71,841,187.20 × 21,020,268.80
  4. Step 4: Simplify right side
    47,894,124.80x = 1,510,121,065,855,119.50
  5. Step 5: Solve for x
    x = 1,510,121,065,855,119.50/47,894,124.80
  6. Step 6: Final answer
    x = 31,530,403.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.